Variable | Control arm (CT; n = 75) | Experimental arm (CT plus PET; n = 75) | P |
---|---|---|---|
Mean age (y) | 62.9 | 62.6 | 0.94 |
Age range (y) | 37.9–79.9 | 32.8–78.1 | |
Sex (female:male) | 19:56 | 27:48 | 0.21 |
Primary tumor | 0.87 | ||
pN0 | 34 | 32 | |
pN ≥ 1 | 41 | 43 | |
DFS | 0.40 | ||
<12 mo | 29 | 35 | |
≥12 mo | 46 | 40 | |
Number of hepatic tumors* | 1.0 | ||
1 | 41 | 42 | |
>1 | 34 | 33 | |
Size of greatest hepatic tumor* | 0.84 | ||
<50 mm | 60 | 58 | |
>50 mm | 15 | 17 | |
CEA preoperatively | 1.0 | ||
<200 ng/mL | 75 | 75 | |
≥200 ng/mL | — | — | |
Fong criteria | 0.76 | ||
0 | 9 | 7 | |
1 | 17 | 24 | |
2 | 29 | 24 | |
3 | 19 | 19 | |
4 | 1 | 1 | |
5 | — | — |
↵* As preoperatively predicted on CT, at time of randomization.
No statistically significant differences were found between groups.